Here (http://geekhack.org/showpost.php?p=127941&postcount=97) is the best stuff. Used it to repair a Industrial M13 broken in transit.
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(http://farm5.static.flickr.com/4106/5170306525_f3d4cf53b0_z.jpg)
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(http://farm5.static.flickr.com/4153/5170907112_74e6f07da1_z.jpg)
same thing happened to me. There is crack on bottom corner of my keyboard. Thank God I found the piece inside. Also the left mount broke off so I have to epoxy it on.
This all happened even though the keyboard was well packed. It's gotta be the weight.
Thanks Ripster, you are a keyboard Genius!